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  • Product NameMarigold Extract Zeaxanthin
  • CasNo. 144-68-3
  • MFC40H56O2
  • MW568.883
  • Purity
  • Appearanceyellow crystalline solid
  • Packing
  • Contact usInquiry

Product Details

CasNo： 144-68-3

MF： C40H56O2

Appearance： yellow crystalline solid

Factory sells Marigold Extract Zeaxanthin 144-68-3 with sufficient production capacity

  • Molecular Formula:C40H56O2
  • Molecular Weight:568.883
  • Appearance/Colour:yellow crystalline solid 
  • Vapor Pressure:2.19E-23mmHg at 25°C 
  • Melting Point:203-205 °C 
  • Refractive Index:1.585 
  • Boiling Point:711.4 °C at 760 mmHg 
  • PKA:14.60±0.70(Predicted) 
  • Flash Point:273.4 °C 
  • PSA：40.46000 
  • Density:1.008 g/cm3 
  • LogP:10.54740 

Zeaxanthin(Cas 144-68-3) Usage

Who Evaluation

Evaluation year: 2018

InChI:InChI=1/C40H56O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-24,35-36,41-42H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+/t35-,36-/m1/s1

144-68-3 Relevant articles

Chemoenzymatic Synthesis of all-trans-Isomers of Lutein and Zeaxanthin

Kuregyan, A. G.,Oganesyan, E. T.,Pechinsky, S. V.

, p. 1674 - 1679 (2021/11/01)

Abstract: A method for the synthesis of ...

Bidirectional Hiyama–Denmark Cross-Coupling Reactions of Bissilyldeca-1,3,5,7,9-pentaenes for the Synthesis of Symmetrical and Non-Symmetrical Carotenoids

Rivas, Aurea,Pérez-Revenga, Víctor,Alvarez, Rosana,de Lera, Angel R.

, p. 14399 - 14407 (2019/11/03)

The construction of the carotenoid skele...

A simple and efficient method for the partial synthesis of pure (3R,3’s)-astaxanthin from (3R,3’r,6’r)-lutein and lutein esters via (3R,3’s)-zeaxanthin and theoretical study of their formation mechanisms

Rodríguez-DeLeón, Eloy,Jiménez-Halla, Oscar J.C.,Báez, José E.,Moustapha Bah

supporting information, (2019/04/30)

Carotenoids are natural compounds that h...

RPE65 has an additional function as the lutein to meso-zeaxanthin isomerase in the vertebrate eye

Shyam, Rajalekshmy,Gorusupudi, Aruna,Nelson, Kelly,Horvath, Martin P.,Bernstein, Paul S.

, p. 10882 - 10887 (2017/10/13)

Carotenoids are plant-derived pigment mo...

144-68-3 Process route

(3R,6'R)-3-hydroxy-3',4'-didehydro-β,γ-carotene
92760-20-8

(3R,6'R)-3-hydroxy-3',4'-didehydro-β,γ-carotene

(3R)-3-hydroxy-3',4'-didehydro-β,β-carotene
54422-80-9,752-29-4

(3R)-3-hydroxy-3',4'-didehydro-β,β-carotene

(3R,6'R)-3-hydroxy-2',3'-didehydro-β,ε-carotene
92760-19-5

(3R,6'R)-3-hydroxy-2',3'-didehydro-β,ε-carotene

zeaxanthin
144-68-3,3309-19-1,24502-92-9,29472-68-2,31272-50-1,31272-53-4,57820-80-1,60046-54-0,60497-64-5,60497-65-6,72002-36-9,72580-10-0,100347-92-0,100347-97-5,136656-95-6,136733-98-7,136733-99-8,136734-01-5,136734-02-6

zeaxanthin

(3R)-cryptoxanthin
472-70-8

(3R)-cryptoxanthin

zeinoxanthin
24480-38-4

zeinoxanthin

Conditions
Conditions Yield
With hydrogen; Pt/Al2O3; In ethyl acetate; at -15 - 40 ℃; for 2 - 26h; under 760.051 - 2068.65 Torr; Product distribution / selectivity;
 
With hydrogen; Lindlar's catalyst; In tetrahydrofuran; at -15 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; bis(acetylacetonato)palladium(II); In tetrahydrofuran; at 45 - 50 ℃; for 15h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 5%-palladium/activated carbon; In dichloromethane; at -15 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 5%-palladium/activated carbon; In ethyl acetate; at -15 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 5%-palladium/activated carbon; In tetrahydrofuran; at -15 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 5% Pd on alumina; In dichloromethane; at -15 ℃; for 6h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Wilkinson's catalyst; In dichloromethane; at 20 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Wilkinson's catalyst; In ethyl acetate; at 20 ℃; for 2 - 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Wilkinson's catalyst; In tetrahydrofuran; at 20 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 5% Rh/Al2O3; In tetrahydrofuran; at 50 ℃; for 2h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Pt/Al2O3; In dichloromethane; at -5 - 0 ℃; for 4h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Pt/Al2O3; In tetrahydrofuran; at -15 - 0 ℃; for 4 - 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; Pt/Al2O3; In acetone; at -5 - 20 ℃; for 6h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; (η4-1,5-cyclooctadiene)(pyridine)(tricyclohexylphosphine)iridium(I) hexafluorophosphate; In dichloromethane; at 20 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; (1,5-cyclooctadiene)bis(methyldiphenylphosphine) iridium hexafluorophosphate; In dichloromethane; at 20 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
With hydrogen; 3% palladium on polyethyleneimine/SiO2; In tetrahydrofuran; at 50 ℃; for 24h; under 760.051 Torr; Product distribution / selectivity;
 
marigold oleoresin

marigold oleoresin

cis-luteins

cis-luteins

beta-carotene
7235-40-7

beta-carotene

zeaxanthin
144-68-3,3309-19-1,24502-92-9,29472-68-2,31272-50-1,31272-53-4,57820-80-1,60046-54-0,60497-64-5,60497-65-6,72002-36-9,72580-10-0,100347-92-0,100347-97-5,136656-95-6,136733-98-7,136733-99-8,136734-01-5,136734-02-6

zeaxanthin

lutein
127-40-2

lutein

(3R)-cryptoxanthin
472-70-8

(3R)-cryptoxanthin

Conditions
Conditions Yield
With potassium hydroxide; water; In ethanol; at 73 - 75 ℃; for 0.5h; Product distribution / selectivity;
 

144-68-3 Upstream products

  • 64-17-5
    64-17-5

    ethanol

  • 7481-64-3
    7481-64-3

    all-trans lutein

  • 141-52-6
    141-52-6

    sodium ethanolate

  • 71-43-2
    71-43-2

    benzene

144-68-3 Downstream products

  • 7756-97-0
    7756-97-0

    trans-Zeaxanthin-dimethylether

  • 25494-52-4
    25494-52-4

    O-acetyl-β-citraurin

  • 1107-26-2
    1107-26-2

    trans-β-apo-8'-carotenal

  • 7542-45-2
    7542-45-2

    3,3'-dihydroxy-β,β-carotene-4,4'-dione

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